Solaris Tunable Parameters information sources and consideration, using a customer service request (SR) as a example
Last updated on DECEMBER 29, 2017
Applies to:Solaris Operating System - Version 8 6/00 U1 to 11.1 [Release 8.0 to 11.0]
Information in this document applies to any platform.
Oracle Solaris 10 1/13 Information Library
http://docs.oracle.com/cd/E26505_01/html/E37386/ (this is the U11 version)
There is one version for each update release.
One of the central statements of this guide is:
"Remember that one system's /etc/system settings might not be applicable, either wholly or in part, to another system's environment. Carefully consider the values in the file with respect to the environment in which they will be applied. Make sure that you understand the behavior of a system before attempting to apply changes to the system variables that are described here."
Chris Wood, Sajid Zia, and Dennis Kleppen June 2007
Sun Microsystems, Inc.
Abstract: This article describes various tunables for Sun StorEdge™ SAN Foundation Suite (also known as Leadville) software, specifically for failover optimization and performance.
Caution: Tuning these parameters may cause adverse affect on the system. If you are optimizing your storage configuration for stability, we recommend staying with the default values for these tunables. Any changes to these tunables are made at your risk, and could have unexpected consequences (e.g., fatal I/O errors when attempting to perform online firmware upgrades to attached devices, or during ISL or other SAN reconfigurations). Changes could also affect system performance due to excessive path failover events in the presence of minor intermittent faults etc.
This is a new install, in production for 2 weeks now customer copied the /etc/system file from another server with a older version of Sol 10.
Customer wants to know:
1 - if these parameters are still available in the Oracle Solaris 10 8/11 s10s_u10wos_17b SPARC OS version
2 - any info I could provide about these parameters
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